User blog comment:Sefiros2211/Dante's Age/@comment-87.164.177.176-20121213141946

Personally, my guesses as to Dante's age are:

DMC: 25-32 years

DMC 2: 30-35 years

DMC 3: 19-23 years

DMC 4: 36-44 years

DmC: 16-19 years.